Progress against the field
From Boston 2025 to Boston 2026, Mike Fox got 5:23 faster than the field.
The clock says 8:50 faster, but the races themselves got 3:27 quicker for everyone.
The longest gap between two races compared here, 244 days between Boston 2025 and New York 2026, still ended 3:18 ahead of the field.
How this is worked out ⓘ
A finish time moves for two reasons: the athlete, and the race — its course, its floor, its day. For each pair of races in a row in one category, we take everyone who raced both and use the middle of how much they moved (the median) as "the race". Whatever is left is the athlete. Doubles are compared only when the same two people raced both, and told as the pair's; relays are left out. A pair with fewer than 15 athletes in common is not shown.
Every race
3 races · 3 events
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Boston8 Oct 2026Individual Open · Men1:35:46 PB721/1233Beat 42%
↑ 133 days after New York 2026 2:05 better than the field Why ↓Close ↑
3:28 faster on the clock, and the race was 1:23 faster for everyone, so 2:05 of it was this athlete.
The fieldCompare these two →1:23 faster This athlete3:28 faster -
New York28 May 2026Individual Open · Men1:39:14224/308Beat 27%
↑ 244 days after Boston 2025 3:18 better than the field Why ↓Close ↑
3:18 better than the field: 5:22 faster on the clock, against 2:04 faster for everyone.
The fieldCompare these two →2:04 faster This athlete5:22 faster -
Boston26 Sep 2025Individual Open · Men1:44:361145/1463Beat 22%